// Scintilla source code edit control
/** @file ILexer.h
 ** Interface between Scintilla and lexers.
 **/
// Copyright 1998-2010 by Neil Hodgson <neilh@scintilla.org>
// The License.txt file describes the conditions under which this software may be distributed.

#ifndef ILEXER_H
#define ILEXER_H

#include "Sci_Position.h"

namespace Scintilla {

enum { dvRelease4 = 2 };

class IDocument {
 public:
  virtual int SCI_METHOD Version() const = 0;
  virtual void SCI_METHOD SetErrorStatus(int status) = 0;
  virtual Sci_Position SCI_METHOD Length() const = 0;
  virtual void SCI_METHOD GetCharRange(char* buffer, Sci_Position position,
                                       Sci_Position lengthRetrieve) const = 0;
  virtual char SCI_METHOD StyleAt(Sci_Position position) const = 0;
  virtual Sci_Position SCI_METHOD LineFromPosition(Sci_Position position) const = 0;
  virtual Sci_Position SCI_METHOD LineStart(Sci_Position line) const = 0;
  virtual int SCI_METHOD GetLevel(Sci_Position line) const = 0;
  virtual int SCI_METHOD SetLevel(Sci_Position line, int level) = 0;
  virtual int SCI_METHOD GetLineState(Sci_Position line) const = 0;
  virtual int SCI_METHOD SetLineState(Sci_Position line, int state) = 0;
  virtual void SCI_METHOD StartStyling(Sci_Position position) = 0;
  virtual bool SCI_METHOD SetStyleFor(Sci_Position length, char style) = 0;
  virtual bool SCI_METHOD SetStyles(Sci_Position length, const char* styles) = 0;
  virtual void SCI_METHOD DecorationSetCurrentIndicator(int indicator) = 0;
  virtual void SCI_METHOD DecorationFillRange(Sci_Position position, int value,
                                              Sci_Position fillLength) = 0;
  virtual void SCI_METHOD ChangeLexerState(Sci_Position start, Sci_Position end) = 0;
  virtual int SCI_METHOD CodePage() const = 0;
  virtual bool SCI_METHOD IsDBCSLeadByte(char ch) const = 0;
  virtual const char* SCI_METHOD BufferPointer() = 0;
  virtual int SCI_METHOD GetLineIndentation(Sci_Position line) = 0;
  virtual Sci_Position SCI_METHOD LineEnd(Sci_Position line) const = 0;
  virtual Sci_Position SCI_METHOD GetRelativePosition(Sci_Position positionStart,
                                                      Sci_Position characterOffset) const = 0;
  virtual int SCI_METHOD GetCharacterAndWidth(Sci_Position position,
                                              Sci_Position* pWidth) const = 0;
};

enum { lvRelease4 = 2 };

class ILexer4 {
 public:
  virtual int SCI_METHOD Version() const = 0;
  virtual void SCI_METHOD Release() = 0;
  virtual const char* SCI_METHOD PropertyNames() = 0;
  virtual int SCI_METHOD PropertyType(const char* name) = 0;
  virtual const char* SCI_METHOD DescribeProperty(const char* name) = 0;
  virtual Sci_Position SCI_METHOD PropertySet(const char* key, const char* val) = 0;
  virtual const char* SCI_METHOD DescribeWordListSets() = 0;
  virtual Sci_Position SCI_METHOD WordListSet(int n, const char* wl) = 0;
  virtual void SCI_METHOD Lex(Sci_PositionU startPos, Sci_Position lengthDoc, int initStyle,
                              IDocument* pAccess) = 0;
  virtual void SCI_METHOD Fold(Sci_PositionU startPos, Sci_Position lengthDoc, int initStyle,
                               IDocument* pAccess) = 0;
  virtual void* SCI_METHOD PrivateCall(int operation, void* pointer) = 0;
  virtual int SCI_METHOD LineEndTypesSupported() = 0;
  virtual int SCI_METHOD AllocateSubStyles(int styleBase, int numberStyles) = 0;
  virtual int SCI_METHOD SubStylesStart(int styleBase) = 0;
  virtual int SCI_METHOD SubStylesLength(int styleBase) = 0;
  virtual int SCI_METHOD StyleFromSubStyle(int subStyle) = 0;
  virtual int SCI_METHOD PrimaryStyleFromStyle(int style) = 0;
  virtual void SCI_METHOD FreeSubStyles() = 0;
  virtual void SCI_METHOD SetIdentifiers(int style, const char* identifiers) = 0;
  virtual int SCI_METHOD DistanceToSecondaryStyles() = 0;
  virtual const char* SCI_METHOD GetSubStyleBases() = 0;
  virtual int SCI_METHOD NamedStyles() = 0;
  virtual const char* SCI_METHOD NameOfStyle(int style) = 0;
  virtual const char* SCI_METHOD TagsOfStyle(int style) = 0;
  virtual const char* SCI_METHOD DescriptionOfStyle(int style) = 0;
};

}  // namespace Scintilla

#endif
